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Finding the Fourth Proportional to 324,770,626.80, 487,155,940.20 and 255,895,873.20

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Solution

The fourth proportional to 324,770,626.80, 487,155,940.20 and 255,895,873.20 is: 383,843,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,770,626.80 : 487,155,940.20 = 255,895,873.20 : x
  2. Step 2: Convert to fraction form
    324,770,626.80/487,155,940.20 = 255,895,873.20/x
  3. Step 3: Cross multiply
    324,770,626.80x = 487,155,940.20 × 255,895,873.20
  4. Step 4: Simplify right side
    324,770,626.80x = 124,661,194,702,045,968
  5. Step 5: Solve for x
    x = 124,661,194,702,045,968/324,770,626.80
  6. Step 6: Final answer
    x = 383,843,809.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.